acids and bases

Acid

Proton donor

Base

Proton acceptor

Ionisation

the reaction of a molecular substance with

water to produce ions

Strong acid

an acid that ionises almost completely in an

aqueous solution

Weak acid

an acid that only ionises partially in an

aqueous solution

Dissociation

the splitting of an ionic compound into its ions

Strong base

a base that dissociates almost completely

in an aqueous solution

Weak base

a base that only ionises partially in an

aqueous solution

amphoteric (or amphiprotic) substance

a substance

that can act as either an acid or a base

Salt

a substance in which the hydrogen of an acid has

been replaced by a cation

Hydrolysis

a salt as a reaction of an ion (from a salt) with

wate

Neutralisation

a chemical reaction in which an acid and a

base react so that neither is in exces

Standard solution

A solution of known concentration